It is often thought of as one of the qualities which distinguishes humans from animals.
And a new study has shown that the ability to tell the difference between right and wrong is a skill which even babies can possess.
Infants who show a good understanding of what is fair and unfair are also more like to share their possessions with others.
Clinical Psychologist Sarah Helps give her tips on how to discipline your young child just by changing your tone of voice...
Do you think your baby knows right from wrong? Do you discipline your baby when they do something 'naughty'? Do babies really have a sense of morals?
Have your say in our 'Newborns and upwards' discussion group...
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